Gaya APA

Fokus pendalaman materi & soal ultimate edition toefl: test of english as a foreign language. (2017). Sidoarjo: Genta Group Production.

Gaya MLA

Fokus pendalaman materi & soal ultimate edition toefl: test of english as a foreign language. Cet. 1. Sidoarjo: Genta Group Production, 2017. Printed Book.